Spirit level



FIG. 1 is a front elevation view of a spirit level, showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan the view thereof;

FIG. 6 is a bottom plan the view thereof; and,

FIG. 7 is a front, right side perspective view thereof.

The broken lines shown in the drawings depict portions of the spirit level that form no part of the claimed design. 

CLAIM The ornamental design for a spirit level, as shown and described. 